<el-upload
    ref="upload"
    <volist name="option" id="op">
        {$key}="{$op}"{:(' ')}
    </volist>
>
    <el-button slot="trigger" size="small" type="primary">
        <if condition="$pick_text">{$pick_text}<else/>选取文件</if>
    </el-button>
    <if condition="$option[':auto-upload']!='true'">
        <el-button style="margin-left: 10px;" size="small" type="success" @click="submitUpload">
            <if condition="$start_text">{$start_text}<else/>开始上传</if>
        </el-button>
    </if>
    <if condition="$tips">
        <div slot="tip" class="el-upload__tip">{$tips}</div>
    </if>
</el-upload>
